Dimerization of acrylonitrile

Details Dimerization of acrylonitrile Dimerization of acrylonitrile

1988-10-26

1990-09-18

Brust, Joseph Paul

Hazardous or toxic waste destruction or containment

Processes for making harmful chemical substances harmless,...

By hydropyrolysis or destructive steam gasification, e.g.,...

C07C25330, C07C25504

Patent

active

049580426

ABSTRACT:
Acrylonitrile is dimerized in a homogenious liquid phase comprising a phosphinite or phosphonite catalyst, a proton donating solvent and an aromatic and aliphatic hydrocarbon solvent, the aromatic solvent, unconverted acrylonitrile and proton donating solvent is distilled from the product and a mixture is left which separates into two phases, one comprising the catalyst and the other the dinitrile.

REFERENCES:
patent: 4102915 (1978-07-01), Jennings et al.
patent: 4316857 (1982-02-01), Gilbert
patent: 4639539 (1987-01-01), Hovey et al.

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